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anonymous

  • one year ago

What is the estimated sum? Round each number to the nearest hundred before adding. 521,370 + 26,839

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  1. myininaya
    • one year ago
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    well have you rounded each number to the nearest hundred yet the hundreds place is the 3rd digit from the right

  2. anonymous
    • one year ago
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    im not the best at math i just started 5th grade and it sucks DX

  3. myininaya
    • one year ago
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    let's look at the 370 part of that one number

  4. myininaya
    • one year ago
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    the 3 is in the hundreds spot the 7 which is in the tens spot will tell us to round up or down

  5. mathstudent55
    • one year ago
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    First, you need to know which digits is the hundreds digit. See figure below. |dw:1439929755561:dw|

  6. myininaya
    • one year ago
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    round up or keep the number in the hundreds spot as is*

  7. anonymous
    • one year ago
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    we should round up

  8. myininaya
    • one year ago
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    right so 370 rounded to the nearest hundred is 400

  9. anonymous
    • one year ago
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    ok

  10. myininaya
    • one year ago
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    so that one number rounded to the nearest hundred is 521,400

  11. myininaya
    • one year ago
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    what about 839

  12. anonymous
    • one year ago
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    keep it how it is?

  13. myininaya
    • one year ago
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    so that means we keep 8 as 8 everything else to the right of the hundreds place change to 0 so 839 rounded to the nearest hundred is 800

  14. myininaya
    • one year ago
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    \[521,400+26,800\]

  15. anonymous
    • one year ago
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    wow your good o.o

  16. myininaya
    • one year ago
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    line up the ones digit with the ones digit from the other number then line up the tens digit with tens digit from the other number and so on... just add column by column (you may have to carry) |dw:1439930099645:dw|

  17. anonymous
    • one year ago
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    548,200

  18. myininaya
    • one year ago
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    |dw:1439930295952:dw|

  19. myininaya
    • one year ago
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    that's right!

  20. anonymous
    • one year ago
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    yay!!!!

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